EFZ ✓ Factory-verified

Chevrolet · Regular Production Option

Battery pack, propulsion, lithium-ion

Years 2017, 2023 Models 1 Factory citations 3

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Documented applications

Bolt EV — first generation (2017–2023) →

• 2017, 2023 ✓ Factory-verified

  2017: LT, Premier: S; the 2017 guide gives 60 kWh, rechargeable energy storage system; the 2023 lists read 5 module, long range, underbody

  ⛭ GM factory document — 2017 chevrolet bolt ev fleet order guide wayback, p.4.

  ⛭ GM factory document — 2023 chevrolet 23 bolt ev body builder sm en us 2022aug26, p.9.

  ⛭ GM factory document — 2023 chevrolet 23 bolt euv body builder sm en us 2022aug29, p.9.

This page aggregates every documented appearance of EFZ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.